Question

explain d-block elements of periodic table
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Answer 1

Answer:

Elements having electrons (1 to 10) present in the d-orbital of the penultimate energy level and in the outer most ‘s’ orbital (1-2) are d block elements.

Explanation:

D block elements are the elements which can be found from the third group to the twelfth group of the modern periodic table. The valence electrons of these elements fall under the d orbital. D block elements are also referred to as transition elements or transition metals. The first three rows of the d block elements which correspond to the 3d, 4d, and 5d orbitals respectively are given in the below article.

Answer 2

Answer:-

1) 40 elements are present in d-block.

2)The d-block elements are found in groups 3, 4, 5, 6, 7, 8, 9, 10, 11, and 12 of the periodic table.

3) d-block elements are also known as the transition metals (The position of d-block elements is in between the s-block and p-block elements in the periodic table. These d-block elements are called transition elements because they exhibit transitional behaviour between s-block and p-block elements)

4) The d orbital is filled with the electronic shell “n-1.”

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